#include "widget.h"
#include "ui_widget.h"
#include <QLabel>

Widget::Widget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Widget)
{
    ui->setupUi(this);


    QLabel* label = new QLabel(ui->tab);
    label->setText("标签页1");
    label->resize(100, 50);

    QLabel* label2 = new QLabel(ui->tab_2);
    label2->setText("标签页2");
    label2->resize(100, 50);
}

Widget::~Widget()
{
    delete ui;
}

void Widget::on_pushButton_add_clicked()
{
    //获取当前有几个标签页
    int count = ui->tabWidget->count();
    //创建新的Widget
    QWidget* w = new QWidget();
    ui->tabWidget->addTab(w, QString("Tab: ") + QString::number(count + 1));
    //给 widget 中添加label
    QLabel* label = new QLabel(w);
    label->setText(QString("标签页") + QString::number(count + 1));
    label->resize(100, 50);

    //选中这个新的标签页
    ui->tabWidget->setCurrentIndex(count);
}


void Widget::on_pushButton_delete_clicked()
{
    //获取当前的标签页的下标
    int index = ui->tabWidget->currentIndex();
    //删除这个标签页
    ui->tabWidget->removeTab(index);
}


void Widget::on_tabWidget_currentChanged(int index)
{
    qDebug() << "当前选中标签页为："<< index;
}

